murder of ronald madison but the case was thrown out on a technicality. you believe these officers did nothing wrong, that there was no crime or even misconduct on that bridge? >> none whatsoever. we're confident that the officers acted appropriately and heroically and we're confident this investigation will have the same result as the last one. >> reporter: madison says in the aftermath of katrina, the police force did what it wanted. >> of all the victims of hurricane katrina, your brother among them, was justice and the rule of law also a victim in this town? >> yes. they were just as badly wounded as my brother was because it just doesn't exit. >> that was cnn's drew griffin reporting. if the cops are convicted, they could face the death penalty. police in a dallas suburb are working an unusual case. the mayor of coppell, texas,